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GET
/
v1
/
loops
/
checkpoints
cURL
curl --request GET \
--url https://api.baseten.co/v1/loops/checkpoints \
--header "Authorization: Bearer $BASETEN_API_KEY"
import requests
import os
API_KEY = os.environ.get("BASETEN_API_KEY", "<YOUR_API_KEY>")
url = "https://api.baseten.co/v1/loops/checkpoints"

headers = {"Authorization": f"Bearer {API_KEY}"}

response = requests.request(
"GET",
url,
headers=headers,
json={}
)

print(response.text)
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.baseten.co/v1/loops/checkpoints', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://api.baseten.co/v1/loops/checkpoints",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"net/http"
"io"
)

func main() {

url := "https://api.baseten.co/v1/loops/checkpoints"

req, _ := http.NewRequest("GET", url, nil)

req.Header.Add("Authorization", "Bearer <token>")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://api.baseten.co/v1/loops/checkpoints")
.header("Authorization", "Bearer <token>")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.baseten.co/v1/loops/checkpoints")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
{
  "checkpoints": [
    {
      "checkpoint_id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "checkpoint_type": "<string>",
      "base_model": "<string>",
      "lora_adapter_config": {},
      "size_bytes": 123,
      "id": "<string>",
      "run_id": "<string>",
      "sync_status": "<string>"
    }
  ]
}

Authorizations

Authorization
string
header
required

Send Authorization: Bearer <api_key>. The legacy Authorization: Api-Key <api_key> scheme is also accepted.

Query Parameters

run_id
string | null

Filter by run ID. Returns all checkpoints saved by the run.

Example:

"k4q95w5"

base_model
string | null

Filter by base model. Returns checkpoints across the caller's runs of this base model.

Example:

"Qwen/Qwen3-8B"

checkpoint_path
string | null

bt:// URI of a Loops checkpoint. Form: bt://loops:<run_id>/(weights|sampler_weights)/<checkpoint_name>.

Example:

"bt://loops:k4q95w5/sampler_weights/step-100"

Response

200 - application/json

Checkpoints matching the query filter.

checkpoints
LoopsCheckpointV1 · object[]
required

Matching checkpoints.